Watch a sneak peek and check out photos of the upcoming episode of GOSSIP GIRL Season 4 Episode 7 titled "War at the Roses" which airs on Monday November 1 at 9pm on the CW.
Episode Synopsis: Blair (Leighton Meester) is caught off-guard – and not in a good way – by a surprise guest at her birthday party. Having had enough of Chuck (Ed Westwick) and Blair’s games, Serena (Blake Lively) and Nate (Chace Crawford) decide to plan an intervention. Musical guest Robyn performs in the episode. Penn Badgley, Taylor Momsen, Jessica Szohr, Kelly Rutherford and Matthew Settle also star. Joe Lazarov directed the episode written by Jessica Queller.